Abstract #0560
Measurement of Lagrangian strain and Eulerian flow in the abdomen using Continuously Single Shot Tagged Magnetic Resonance Imaging
Andr M.J. Sprengers 1 , Matthan W.A. Caan 2 , Stijn J. Buitink 3 , Kevin M. Moerman 2 , Marije P. van der Paardt 2 , Aart J. Nederveen 2 , and Jaap Stoker 2
1
Orthopaedic Research Lab, Radboud University
Medical Centre, Nijmegen, Gelderland, Netherlands,
2
Radiology,
Academic Medical Centre, Amsterdam, Noord Holland,
Netherlands,
3
Kernfysisch
Versneller Instituut, University of Groningen,
Groningen, Netherlands
Continuously tagged imaging (CTI) expands the
application range of tagged imaging from cardiac
research to non-repeatable motion such as motility. By
sampling every tag pattern just once before refreshing,
the registered information of tagline displacement in
the temporal direction changes from the Lagrangian to
the Eulerian perspective. This study shows how,
analogous to conventional triggered tagged imaging,
complementary measures can be extracted from tagline
variation in spatial and temporal direction. The two
measures were demonstrated in a simulated CTI
acquisition in a numerical Shepp-Logan phantom and
applied to bowel motion during free breathing in one
healthy volunteer.
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